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User guide
Optional serial interface
V.24/RS232C
Connector assignment
Your printer's serial interface supports the RS232C specification.
The signals are received and transmitted by a 9 pin connector.
Basically 3 lines are already enough for exchanging information be-
tween computer and printer (one receive line, one send line, one line
for common grounding).
Type
Synchronization
Transmission rate
Signal status
Connection cable
Interface connections
Transmission protocol
Capacity of data buffer
Direction
Connector no.
Printer–PC
3
4
2
6
7
8
5
Shield
5
1
9
6
RS232C interface
Asynchronous
600 Baud to 19.200 Baud
OFF (log.1) –3 V to –15 V
ON (log. 0) +3 V to +15 V
up to 15 m length
ITT Cannon connector,
series DB-9 S
XON/XOFF, ENQ/STX, READY/
BUSY, Robust XON/XOFF, ETX/
ACK
1024 KB max.
Signal
→
TxD
→
DTR
←
RxD
←
DSR
→
RTS
←
CTS
⎯
Signal Ground SG
⎯
Frame Ground FG
Transmission length: max. 15 m
Interfaces
161
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